/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

var zrUtil = require("static/plugins/js/zrender/lib/core/util");

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
function _default(option) {
    var timelineOpt = option && option.timeline;

    if (!zrUtil.isArray(timelineOpt)) {
        timelineOpt = timelineOpt ? [timelineOpt] : [];
    }

    zrUtil.each(timelineOpt, function (opt) {
        if (!opt) {
            return;
        }

        compatibleEC2(opt);
    });
}

function compatibleEC2(opt) {
    var type = opt.type;
    var ec2Types = {
        number: "value",
        time: "time",
    }; // Compatible with ec2

    if (ec2Types[type]) {
        opt.axisType = ec2Types[type];
        delete opt.type;
    }

    transferItem(opt);

    if (has(opt, "controlPosition")) {
        var controlStyle = opt.controlStyle || (opt.controlStyle = {});

        if (!has(controlStyle, "position")) {
            controlStyle.position = opt.controlPosition;
        }

        if (controlStyle.position === "none" && !has(controlStyle, "show")) {
            controlStyle.show = false;
            delete controlStyle.position;
        }

        delete opt.controlPosition;
    }

    zrUtil.each(opt.data || [], function (dataItem) {
        if (zrUtil.isObject(dataItem) && !zrUtil.isArray(dataItem)) {
            if (!has(dataItem, "value") && has(dataItem, "name")) {
                // In ec2, using name as value.
                dataItem.value = dataItem.name;
            }

            transferItem(dataItem);
        }
    });
}

function transferItem(opt) {
    var itemStyle = opt.itemStyle || (opt.itemStyle = {});
    var itemStyleEmphasis = itemStyle.emphasis || (itemStyle.emphasis = {}); // Transfer label out

    var label = opt.label || opt.label || {};
    var labelNormal = label.normal || (label.normal = {});
    var excludeLabelAttr = {
        normal: 1,
        emphasis: 1,
    };
    zrUtil.each(label, function (value, name) {
        if (!excludeLabelAttr[name] && !has(labelNormal, name)) {
            labelNormal[name] = value;
        }
    });

    if (itemStyleEmphasis.label && !has(label, "emphasis")) {
        label.emphasis = itemStyleEmphasis.label;
        delete itemStyleEmphasis.label;
    }
}

function has(obj, attr) {
    return obj.hasOwnProperty(attr);
}

module.exports = _default;
